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Weather & Climate in Coalfield, TN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Coalfield enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 38°F in January while summers reach 78°F in July. The area gets 299 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 59.7 inches (wetter than the 38-inch national average). The area receives 4.4 inches of snow annually. Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 1,117 feet.
Temperature
38°F Jan (3°C)
78°F Jul (25°C)
| Annual Average | 58.6°F |
| 9% above US avg | |
| January Average | 38°F (3°C) |
| July Average | 78°F (25°C) |
| Sunny Days | 299 days/yr |
Geography
| Elevation | 1,117 ft (340 m) |
| Area | 24.7 sq mi (64.1 km²) |
| Population Density | 112/sq mi |
| Coordinates | 36.0228°N, 84.4425°W |
| Timezone | America/Chicago |
| County | Morgan County County |
| Nearest Airport | Mc Ghee Tyson (TYS) 29 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 19.1 / 100 |
| Social Vulnerability | 47.8 / 100 |
| Community Resilience | 11.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
172 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.
| May 10, 2025 | 21 km SE of Greenback, Tennessee | M4.1 | 67 km | 25 km |
| Aug 17, 1990 | 9 km NNW of Loyall, Kentucky | M4.0 | 139 km | 1 km |
| Jan 20, 2020 | 2 km NE of Fincastle, Tennessee | M3.8 | 59 km | 35 km |
| Jul 30, 1997 | 6 km NNE of Tazewell, Tennessee | M3.8 | 97 km | 23 km |
| Sep 17, 2004 | 8 km ESE of Corbin, Kentucky | M3.7 | 109 km | 1 km |
| Jul 5, 1995 | 12 km ESE of Tellico Plains, Tennessee | M3.7 | 81 km | 10 km |
| Jun 17, 1998 | 9 km SSE of Coalfield, Tennessee | M3.6 | 10 km | 11 km |
| Jul 19, 1997 | 12 km E of Cohutta, Georgia | M3.5 | 124 km | 3 km |
| Jun 19, 2007 | 10 km ENE of Spencer, Tennessee | M3.5 | 87 km | 1 km |
| Jun 16, 2006 | 9 km W of Maggie Valley, North Carolina | M3.4 | 125 km | 1 km |
| Mar 5, 2019 | 7 km NE of Maynardville, Tennessee | M3.4 | 70 km | 17 km |
| Apr 11, 2006 | 5 km NE of Etowah, Tennessee | M3.3 | 74 km | 20 km |
| Aug 31, 2009 | 2 km NNE of Friendsville, Tennessee | M3.3 | 40 km | 14 km |
| Apr 20, 2010 | 4 km SW of Maryville, Tennessee | M3.3 | 52 km | 2 km |
| Mar 18, 1995 | 10 km SE of Dayton, Tennessee | M3.3 | 81 km | 26 km |
| Jun 4, 2023 | 4 km NNW of West Canton, North Carolina | M3.2 | 150 km | 0 km |
| May 10, 2006 | 3 km WNW of Madisonville, Tennessee | M3.2 | 55 km | 25 km |
| Mar 7, 2001 | 5 km WNW of Decatur, Tennessee | M3.2 | 66 km | 18 km |
| Jul 26, 2001 | 11 km N of Sevierville, Tennessee | M3.2 | 80 km | 14 km |
| Mar 7, 2001 | 6 km NW of Decatur, Tennessee | M3.2 | 64 km | 7 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
247 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 48 fatalities, 786 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 27, 2011 | EF4 | 65 km | 14.5 mi | 0 |
| Apr 3, 1974 | EF4 | 63 km | 18.8 mi | 7 |
| Apr 3, 1974 | EF4 | 74 km | 16.1 mi | 0 |
| Apr 3, 1974 | EF4 | 80 km | 11.0 mi | 5 |
| May 2, 1953 | EF4 | 64 km | 4.2 mi | 4 |
| Jul 27, 2014 | EF3 | 65 km | 4.7 mi | 0 |
| Mar 23, 2011 | EF3 | 45 km | 5.8 mi | 0 |
| Nov 10, 2002 | EF3 | 14 km | 8.3 mi | 7 |
| Nov 10, 2002 | EF3 | 61 km | 12.2 mi | 4 |
| Apr 16, 1998 | EF3 | 87 km | 8.6 mi | 0 |
| May 18, 1995 | EF3 | 73 km | 9.0 mi | 0 |
| Apr 15, 1994 | EF3 | 93 km | 15.0 mi | 1 |
| Feb 21, 1993 | EF3 | 22 km | 30.0 mi | 1 |
| Feb 21, 1993 | EF3 | 17 km | 16.0 mi | 0 |
| Feb 21, 1993 | EF3 | 66 km | 19.0 mi | 0 |
| May 9, 1988 | EF3 | 89 km | 5.0 mi | 1 |
| Feb 6, 1986 | EF3 | 95 km | 10.0 mi | 0 |
| Apr 8, 1974 | EF3 | 68 km | 2.0 mi | 0 |
| Apr 3, 1974 | EF3 | 33 km | 12.2 mi | 0 |
| Apr 3, 1974 | EF3 | 92 km | 9.4 mi | 3 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: CHIMNEY TOPS 2 (14,998 acres, 2016).
| Year | Name | Acres Burned | Distance |
| 2016 | CHIMNEY TOPS 2 | 14,998 | 93 km |
| 1987 | UNNAMED | 11,663 | 23 km |
| 2016 | STINKING CREEK | 10,768 | 53 km |
| 1987 | UNNAMED | 10,327 | 66 km |
| 2024 | RX - T26 BRUSHY RIDGE | 8,324 | 81 km |
| 2000 | UNNAMED | 8,064 | 32 km |
| 2016 | MAPLE SPRINGS | 7,696 | 84 km |
| 2000 | UNNAMED | 6,590 | 80 km |
| 1987 | K-T FIRE | 6,372 | 64 km |
| 1987 | UNNAMED | 6,067 | 84 km |
| 1987 | UNNAMED | 5,973 | 47 km |
| 2000 | UNNAMED | 5,371 | 18 km |
| 2024 | RX - T10 MILLER RIDGE | 5,154 | 72 km |
| 2003 | UNNAMED | 4,675 | 30 km |
| 2001 | UNNAMED | 4,635 | 73 km |
| 1987 | UNNAMED | 4,400 | 86 km |
| 1987 | UNNAMED | 4,337 | 74 km |
| 2013 | BEAVER DAM | 4,336 | 89 km |
| 1987 | UNNAMED | 4,194 | 64 km |
| 2013 | UNNAMED | 3,940 | 83 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 4.5 in | Coldest |
| February | 38°F (3°C) | 4.2 in | |
| March | 46°F (8°C) | 5.5 in | Wettest |
| April | 55°F (13°C) | 4.3 in | |
| May | 62°F (17°C) | 5.0 in | |
| June | 70°F (21°C) | 4.4 in | |
| July | 78°F (25°C) | 5.2 in | Warmest |
| August | 73°F (23°C) | 4.1 in | |
| September | 67°F (19°C) | 3.8 in | |
| October | 56°F (13°C) | 3.4 in | Driest |
| November | 46°F (8°C) | 4.5 in | |
| December | 38°F (3°C) | 4.8 in |
Coalfield has a seasonal temperature swing of 40°F / from 38°F in January to 78°F in July. Total annual precipitation is 53.7 inches, with March being the wettest month (5.5") and October the driest (3.4").